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dc.contributor.authorCorzo, MAC
dc.contributor.authorBorja-Castro, LE
dc.contributor.authorValladares, LDLS
dc.contributor.authorGonzález, JC
dc.contributor.authorMedina, JM
dc.contributor.authorQuinde, AT
dc.contributor.authorBarnes, CHW
dc.contributor.authorRodriguez, VAP
dc.date.accessioned2022-01-05T16:33:23Z
dc.date.available2022-01-05T16:33:23Z
dc.date.issued2022
dc.identifier.issn0304-3843
dc.identifier.others10751-021-01786-8
dc.identifier.other1786
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/332084
dc.description.abstract<jats:title>Abstract</jats:title><jats:p>We present the magnetic, structural and <jats:sup>57</jats:sup>Fe Mossbauer characterization of soils collected from an ancient mercury contaminated city named Huancavelica in Peru. The characterization results indicate that silicates and carbonates are the main mineralogical constituents in the samples. In addition, <jats:sup>57</jats:sup>Fe Mössbauer spectra at room temperature reveal, the presence of two components: a magnetic component related to magnetic Fe-oxides (magnetite, hematite, goethite) and a high non-magnetic component related to Fe<jats:sup>+3</jats:sup> in high spin configuration and tetrahedral coordination in silicates. The magnetization measurements present screening of paramagnetic, ferromagnetic and antiferromagnetic signals, typical from soils containing different silicates and iron minerals. Remarkably the Verwey and Morin transitions corresponding to magnetite and hematite, respectively, are screened by the paramagnetic signal corresponding to the major silicate components in the samples. Overall, the soils are mainly composed of crystalline and amorphous silicates, calcites and iron bearing which are typical from Andean soils.</jats:p>
dc.languageen
dc.publisherSpringer Science and Business Media LLC
dc.subjectArticle
dc.subjectProceedings of the International Conference on the Applications of the Mössbauer Effect (ICAME 2021), 5-10 September 2021, Brasov, Romania
dc.subjectMössbauer spectroscopy
dc.subjectContaminated soils
dc.subjectIron oxides
dc.subjectXRD
dc.subjectMagnetometry of soils
dc.titleMagnetic, structural and Mössbauer study of soils from an ancient mining area in Huancavelica-Peru
dc.typeArticle
dc.date.updated2022-01-05T16:33:22Z
prism.issueIdentifier1
prism.publicationNameHyperfine Interactions
prism.volume243
dc.identifier.doi10.17863/CAM.79531
dcterms.dateAccepted2021-12-06
rioxxterms.versionofrecord10.1007/s10751-021-01786-8
rioxxterms.versionVoR
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
dc.contributor.orcidDe Los Santos Valladares, Luis [0000-0001-5930-9916]
dc.contributor.orcidBarnes, Crispin [0000-0001-7337-7245]
dc.identifier.eissn1572-9540
pubs.funder-project-idUniversidad Nacional de Moquegua (unknown)
pubs.funder-project-idUniversidad Nacional de Barranca (unknown)
pubs.funder-project-idUniversidad Nacional de Cañete (Unknown)
cam.issuedOnline2021-12-22


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